From: Ilya Leoshkevich <iii@linux.ibm.com>
Date: Mon, 1 Jul 2024 23:40:26 +0000 (+0200)
Subject: s390/bpf: Enable arena
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=1e36027e39b8b3fa567ce3d743dbda5954dc0a56;p=linux.git

s390/bpf: Enable arena

Now that BPF_PROBE_MEM32 and address space cast instructions are
implemented, tell the verifier that the JIT supports arena.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20240701234304.14336-9-iii@linux.ibm.com
---

diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 39c1d9aa7f1e..1dd359c25ada 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -2820,3 +2820,8 @@ bool bpf_jit_supports_subprog_tailcalls(void)
 {
 	return true;
 }
+
+bool bpf_jit_supports_arena(void)
+{
+	return true;
+}